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How fast is 630.2 yards per second?

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It's about one-five-hundred-thousandth as fast as The Speed of Light.
In other words, 630.2 yards per second is 0.00000192217938 times the speed of The Speed of Light, and the speed of The Speed of Light is 520,242.809 times that amount.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures exactly 327,857,019 yards per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 218,571,346 yards per second when passing through the glass of a typical window.
It's about one-one-hundred-fiftieth as fast as a bolt of Lightning.
In other words, the speed of a bolt of Lightning is 170 times 630.2 yards per second.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 110,000 yards per second when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about one-seventieth as fast as a Meteor.
In other words, the speed of a Meteor is 71 times 630.2 yards per second.
(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 12,000 yards per second and 79,000 yards 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 3,000 yards per second.
It's about one-fifteenth as fast as The Space Shuttle.
In other words, 630.2 yards per second is 0.074417 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 13.438 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 8,468.5 yards 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 three-fifths as fast as a Bullet (Rifle).
In other words, 630.2 yards per second is 0.63 times the speed of a Bullet (Rifle), and the speed of a Bullet (Rifle) is 1.59 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 1,000 yards 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 nine-tenths as fast as a Jet Fighter.
In other words, 630.2 yards per second is 0.86 times the speed of a Jet Fighter, and the speed of a Jet Fighter is 1.2 times that amount.
(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 730 yards per second. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about one-and-a-half times as fast as a Bullet (Handgun).
In other words, the speed of a Bullet (Handgun) is 0.667 times 630.2 yards per second.
(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 419 yards per second. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.