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How fast is 0.004709 miles per second?

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It's about one-fifth as fast as a Curveball (baseball)
In other words, 0.004709 miles per second is 0.220 times the speed of a Curveball (baseball), and the speed of a Curveball (baseball) is 4.50 times that amount.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
The average speed of major league curveball pitch is 0.021 miles per second. In the 1940's, debate over whether there really was a curve in the curveball pitch was settled with the conclusion that the ball does curve; however, an optical illusion caused by the spin of the ball and the batter's perception of motion exaggerates the extent of the curve.
It's about one-fifth as fast as a Fastball (baseball)
In other words, 0.004709 miles per second is 0.180 times the speed of a Fastball (baseball), and the speed of a Fastball (baseball) is 5.60 times that amount.
(a.k.a. rising fastball, a.k.a. cross-seam fastball, a.k.a. heater, a.k.a. hummer, a.k.a. smoker; for four-seam grip) (major league average)
The average speed of major league fastball pitch is 0.026 miles per second. When up against the quickest professional fastball pitchers, a batter may have less than 0.4 seconds to react to a pitched ball.
It's about six times as fast as Walking Pedestrians (in Manhattan)
In other words, 0.004709 miles per second is 5.80 times the speed of Walking Pedestrians (in Manhattan), and the speed of Walking Pedestrians (in Manhattan) is 0.170 times that amount.
(Manhattan; average speed; 8,978 person-sample)
A 2006 Study by the New York City Department of City Planning found that pedestrians in that city walk at an average rate of 0.00081 miles per second. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 0.00088 miles per second
It's about one-tenth as fast as a Skydiver (belly-to-earth)
In other words, 0.004709 miles per second is 0.140 times the speed of a Skydiver (belly-to-earth), and the speed of a Skydiver (belly-to-earth) is 7.10 times that amount.
(Belly-to-Earth orientation, average conditions, terminal velocity)
A belly-to-Earth oriented skydiver's terminal velocity is about 0.033 miles per second. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 60 seconds.
It's about one-tenth as fast as a Tornado
In other words, 0.004709 miles per second is 0.13726640 times the speed of a Tornado, and the speed of a Tornado is 7.2851040 times that amount.
(EF2) (wind speed range average)
According to the Enhanced Fujita scale implemented by the US National Oceanographic and Atmospheric Administration, a "significant" tornado has an Enhanced Funjita scale classification of EF2 and is characterized by wind gust speeds between 0.03055556 miles per second and 0.03805556 miles per second. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.
It's about one-tenth as fast as a Skydiver (headfirst)
In other words, 0.004709 miles per second is 0.110 times the speed of a Skydiver (headfirst), and the speed of a Skydiver (headfirst) is 9.10 times that amount.
(Head-to-Earth orientation or standing, average conditions, terminal velocity)
A head-to-Earth or standing-oriented skydiver's terminal velocity assuming average conditions is about 0.045 miles per second. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 46 seconds.
It's about one-tenth as fast as a Helicopter
In other words, 0.004709 miles per second is 0.0961 times the speed of a Helicopter, and the speed of a Helicopter is 10.40 times that amount.
(for AH-64A Apache, a.k.a. Hughes Model 77) (maximum cruise speed)
The AH-64 helicopter, one of the primary helicopters used by the United States Army, flies at a top cruise speed of 0.049 miles per second. The AH-64 is the primary military helicopter of several nations including the United States, the United Kingdom, Israel, Japan, and the Netherlands.