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How fast is 992 kilometers per hour?

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It's about four-fifths as fast as The Speed of Sound.
In other words, 992 kilometers per hour is 0.8030 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 1.250 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 343 m/s. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 5,390 kilometers per hour to 5,620 kilometers per hour in water, depending on its salinity.
It's about seven-tenths as fast as a Bullet (Handgun).
In other words, 992 kilometers per hour is 0.7180 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 1.390 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 1,380 kph. 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-fifths as fast as a Jet Fighter.
In other words, 992 kilometers per hour is 0.410 times the speed of a Jet Fighter, and the speed of a Jet Fighter is 2.40 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 nan kilometers per hour. 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 Peregrine Falcon.
In other words, 992 kilometers per hour is 2.550 times the speed of a Peregrine Falcon, and the speed of a Peregrine Falcon is 0.3920 times that amount.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 389 kph 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 three times as fast as The CRH (train).
In other words, 992 kilometers per hour is 2.80 times the speed of The CRH (train), and the speed of The CRH (train) is 0.360 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 350 kph. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
It's about three times as fast as a Porsche 911.
In other words, 992 kilometers per hour is 3.01 times the speed of a Porsche 911, and the speed of a Porsche 911 is 0.3320 times that amount.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 329 kph. It takes just 7.4 seconds for the GT2 to accelerate to 161 kilometers per hour.
It's about three times as fast as an Arrow (archery).
In other words, 992 kilometers per hour is 3.073 times the speed of an Arrow (archery), and the speed of an Arrow (archery) is 0.32540 times that amount.
(250 g arrow fired from 60#/28" bow)
A 250 gram arrow will reach speeds of approximately 322.8 kph when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.