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How fast is 174.90 kilometers per second?

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It's about one-and-four-fifths times as fast as a bolt of Lightning.
In other words, the speed of a bolt of Lightning is 0.560 times 174.90 kilometers per second.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 97 kilometers per second when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about four times as fast as a Meteor.
In other words, 174.90 kilometers per second is 4.20 times the speed of a Meteor, and the speed of a Meteor is 0.240 times that amount.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
Small meteoroids enter the Earth's atmosphere at speeds between 11 kilometers per second and 72 kilometers per second, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 2.80 kilometers per second.
It's about twenty times as fast as The Space Shuttle.
In other words, 174.90 kilometers per second is 22.5860 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 0.044275 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 7.74360 kilometers per second. During liftoff, the space shuttle accelerates to orbital speed in 8.5 minutes, consuming over 1.59 million kg (3.51 million lbs) of propellant in the process.
It's about 200 times as fast as a Bullet (Rifle).
In other words, 174.90 kilometers per second is 191 times the speed of a Bullet (Rifle), and the speed of a Bullet (Rifle) is 0.00524 times that amount.
(5.56 x 45 mm, a.k.a. 5.56 NATO)
A 5.56 x 45 mm cartridge is fired at a velocity of 0.9150 kilometers per second. As the NATO rifle cartridge, it is used by the military forces of more than thirty-one countries, including use in the M16 series, M4 Carbine, HK-416, and M249 Squad automatic weapons used by the United States armed forces.
It's about 250 times as fast as a Jet Fighter.
In other words, the speed of a Jet Fighter is 0.0038 times 174.90 kilometers per second.
(for Lockheed Martin F-16, a.k.a. Fighting Falcon, a.k.a. Viper) (maximum speed at altitude)
An F-16's maximum speed at altitude is approximately 0.660 kilometers per second. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about 450 times as fast as a Bullet (Handgun).
In other words, 174.90 kilometers per second is 455 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 0.0022 times that amount.
(for .40 Smith & Wesson 135 grain Sierra JHP, VV 3N37 powder, Fed. 100 primer, Remington case) (muzzle velocity)
A 0.40 caliber Smith & Wesson bullet has a muzzle a velocity of 0.3830 kilometers per second. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.
It's about 500 times as fast as The Speed of Sound.
In other words, the speed of The Speed of Sound is 0.00196 times 174.90 kilometers per second.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.3430 kilometers per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 1.50 kilometers per second to 1.560 kilometers per second in water, depending on its salinity.