'Mach ' is the speed of sound. This depends on air pressure and temperature. On a median day at sea level this is normally 761 mph. That figure can vary if air conditions are changed, but based on this common number, mach 4.5 is 3,324 mph.
Mach 6 is about 4,449.3 mph
1,750.8 mph
Mach 889 is about 659,233 mph
About 761 mph
Mach 1.7 is equal to about 1294 mph.
645.38104_MPH_">645.38104 MPH-is 0.87 Mach -
3044.83 mph
1534.54 mph
Mach 3.3 is about 2,512 mph depending on altitude.
mach 1= 761 mph at sealeveltherefore mach_5_=_3,806.0_mph">mach 5 = 3,806.0 mphJust hypersonic Hope this helps.
Mach 6 is about 4,567 mph
Mach 0.7 is 533 mi/h (rounded)