The mach number is a measurement of speed named after the man who suggested it Emst Mach the formula M=A/740 indicates that the speed of an aircraft A in miles per hour divided by the speed of sound a

The mach number is a measurement of speed named after the man who suggested it Emst Mach the formula M=A/740 indicates that the speed of an aircraft A in miles per hour divided by the speed of sound approximately 740 miles per hour results in the mach number M use the formula to determine the speed in miles per hour of the aircraft with mach 2.14