"Mach" is a unit of speed which relates to the speed of sound."Mach 1" is equal to the speed of sound in air. Aircrafts travelingabove Mach 1 are called "supersonic", and aircrafts traveling muchfaster than Mach 1 are called "hypersonic." If a hypersonicaircraft is moving at Mach 8, give how fast it is moving: (a) in SIunits and (b) in mph.

The aircraft is moving at (a)_____ m/s, or (b)_____ mph.

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