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How fast is 52 kilometers per minute?

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It's about nine-tenths as fast as a Bullet (Rifle).
In other words, 52 kilometers per minute is 0.9470 times the speed of a Bullet (Rifle), and the speed of a Bullet (Rifle) is 1.06 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 one-and-three-tenths times as fast as a Jet Fighter.
In other words, the speed of a Jet Fighter is 0.770 times 52 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 40 kilometers per minute. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about two-and-a-half times as fast as a Bullet (Handgun).
In other words, 52 kilometers per minute is 2.260 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 0.4420 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.
It's about two-and-a-half times as fast as The Speed of Sound.
In other words, 52 kilometers per minute is 2.530 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 0.3950 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 20.60 kilometers per minute. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 89.80 kilometers per minute to 93.60 kilometers per minute in water, depending on its salinity.
It's about eight times as fast as a Peregrine Falcon.
In other words, 52 kilometers per minute is 8.02 times the speed of a Peregrine Falcon, and the speed of a Peregrine Falcon is 0.1250 times that amount.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 6.480 kilometers per minute when diving. Falcons are sometimes sent to scare smaller birds away from airports to improve air traffic safety and were used in World War II to intercept carrier pigeons used by enemy forces.
It's about nine times as fast as The CRH (train).
In other words, 52 kilometers per minute is 8.90 times the speed of The CRH (train), and the speed of The CRH (train) is 0.110 times that amount.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 5.80 kilometers per minute. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
It's about one-tenth as fast as The Space Shuttle.
In other words, 52 kilometers per minute is 0.111920 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 8.9350 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.