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How fast is 871.190 meters per second?

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It's about as fast as a Bullet (Rifle).
In other words, the speed of a Bullet (Rifle) is 1.05 times 871.190 meters per second.
(5.56 x 45 mm, a.k.a. 5.56 NATO)
A 5.56 x 45 mm cartridge is fired at a velocity of 915 meters 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 one-and-three-tenths times as fast as a Jet Fighter.
In other words, the speed of a Jet Fighter is 0.770 times 871.190 meters 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 660 meters per second. 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, 871.190 meters per second is 2.270 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 0.4410 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 383 meters 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 two-and-a-half times as fast as The Speed of Sound.
In other words, 871.190 meters per second is 2.540 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 0.3940 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 343 meters per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 1,497 m/s to 1,560 m/s in water, depending on its salinity.
It's about eight times as fast as a Peregrine Falcon.
In other words, 871.190 meters per second is 8.07 times the speed of a Peregrine Falcon, and the speed of a Peregrine Falcon is 0.1240 times that amount.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 108 meters per second 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 one-tenth as fast as The Space Shuttle.
In other words, 871.190 meters per second is 0.11250 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 8.88890 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 7,743.60 meters 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 nine times as fast as The CRH (train).
In other words, the speed of The CRH (train) is 0.110 times 871.190 meters per second.
(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 97 meters per second. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.