Mach 3 is 2283.6211 mph because Mach 1 equals 761.207033 mph.
Mach 4 is about 3,045 mph
Mach 10 = 7,612.07 mph
Mach 1.7 is about 1,260.6 mph
Mach 3.5 is about 2,664 mph
Mach 3 = 2283.6211 mph
1,750.8 mph
Mach 500 = 380 603.525 mph
Mach 1.6 = 1,217.9 mph
8000 mph would be mach 10.42.
Mach 889 is about 659,233 mph
Mach 0.8 = about 593.2 mph