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How fast is 655 kilometers per minute?

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It's about one-twenty-five-thousandth as fast as The Speed of Light.
In other words, 655 kilometers per minute is 0.0000364140803924650 times the speed of The Speed of Light, and the speed of The Speed of Light is 27,461.9045496180 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 17,987,547.480 kilometers per minute, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 11,991,698.32020 kilometers per minute when passing through the glass of a typical window.
It's about one-tenth as fast as a bolt of Lightning.
In other words, 655 kilometers per minute is 0.110 times the speed of a bolt of Lightning, and the speed of a bolt of Lightning is 9.10 times that amount.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 5,800 kilometers per minute when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about one-fourth as fast as a Meteor.
In other words, 655 kilometers per minute is 0.260 times the speed of a Meteor, and the speed of a Meteor is 3.80 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 670 kilometers per minute and 4,300 kilometers per minute, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 170 kilometers per minute.
It's about one-and-two-fifths times as fast as The Space Shuttle.
In other words, 655 kilometers per minute is 1.40980 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 0.709320 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 464.620 kilometers per minute. 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 twelve times as fast as a Bullet (Rifle).
In other words, 655 kilometers per minute is 11.90 times the speed of a Bullet (Rifle), and the speed of a Bullet (Rifle) is 0.084 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 54.90 kilometers per minute. 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 sixteen times as fast as a Jet Fighter.
In other words, the speed of a Jet Fighter is 0.063 times 655 kilometers per minute.
(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 nan kilometers per minute. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about thirty times as fast as a Bullet (Handgun).
In other words, 655 kilometers per minute is 28.40 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 0.0352 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 23 kilometers per minute. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.