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How fast is 0.0671 miles per second?

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It's about one-and-a-half times as fast as a Skydiver (headfirst)
In other words, the speed of a Skydiver (headfirst) is 0.670 times 0.0671 miles per second.
(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 twice as fast as a Tornado
In other words, 0.0671 miles per second is 1.9559510 times the speed of a Tornado, and the speed of a Tornado is 0.51126030 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 two times as fast as a Skydiver (belly-to-earth)
In other words, the speed of a Skydiver (belly-to-earth) is 0.50 times 0.0671 miles per second.
(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 two-and-a-half times as fast as a Fastball (baseball)
In other words, the speed of a Fastball (baseball) is 0.380 times 0.0671 miles per second.
(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 three-tenths as fast as The Speed of Sound
In other words, 0.0671 miles per second is 0.3150 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 3.170 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.2130 miles per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 0.930 miles per second to 0.9690 miles per second in water, depending on its salinity.
It's about three times as fast as a Curveball (baseball)
In other words, 0.0671 miles per second is 3.20 times the speed of a Curveball (baseball), and the speed of a Curveball (baseball) is 0.310 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 three-and-a-half times as fast as a Hurricane
In other words, 0.0671 miles per second is 3.260 times the speed of a Hurricane, and the speed of a Hurricane is 0.3070 times that amount.
(formally: Topical cyclone; a.k.a. typhoon)
A hurricane is defined by the US National Hurricane Center as a Northern Hemisphere tropical storm having one-minute average wind-speeds of at least 0.0205 miles per second. Typhoons Tip (October, 1979) and Keith (October, 1997) and Hurricanes Camille (August, 1969) and Allen (August, 1980) jointly hold the record for highest tropical storm wind speeds at 0.0535 miles per second.