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Equivalents in other units


How fast is 695.8 mach?

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It's about two-and-a-half times as fast as a bolt of Lightning.
In other words, the speed of a bolt of Lightning is 0.42 times 695.8 mach.
(atmospheric electrical discharge)
It's about five-and-a-half times as fast as a Meteor.
In other words, the speed of a Meteor is 0.18 times 695.8 mach.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
It's about thirty times as fast as The Space Shuttle.
In other words, 695.8 mach is 29.792 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 0.033566 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 23.356 mach. 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 250 times as fast as a Bullet (Rifle).
In other words, 695.8 mach is 252 times the speed of a Bullet (Rifle), and the speed of a Bullet (Rifle) is 0.00397 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 2.76 mach. 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 350 times as fast as a Jet Fighter.
In other words, the speed of a Jet Fighter is 0.0029 times 695.8 mach.
(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 Mach 2. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about 600 times as fast as a Bullet (Handgun).
In other words, 695.8 mach is 601 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 0.00166 times that amount.
(for .40 Smith & Wesson 135 grain Sierra JHP, VV 3N37 powder, Fed. 100 primer, Remington case) (muzzle velocity)
It's about 650 times as fast as The Speed of Sound.
In other words, 695.8 mach is 673 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 0.00149 times that amount.
(in dry air at 20°C)