The speed in air is 343m/s. Using the relationships3.3 feet in a meter, 5280 feet in a mile, and the time relationships you know, determine the speed in miles per hour. (answer:772mi/h)
1 answer
V = 343m/s * 3600s/hr * 3.3ft/m * 1/5280miles/ft = 771.8 miles/hr