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0.0043 mach is about one-five-thousand-five-hundredth as fast as The Space Shuttle.
In other words, it's 0.00018411 times the speed of The Space Shuttle, and the speed of The Space Shuttle is 5,431.50 times that amount.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 23.3560 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.
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