Respuesta :
1 mile/hour = 5280 ft/(3600 s) = 22/15 ft/s
Multiply by 40
40 mile/hour = 880/15 ft/s = 58 2/3 ft/s
40 mile/hour ≈ 59 ft/s
Multiply by 40
40 mile/hour = 880/15 ft/s = 58 2/3 ft/s
40 mile/hour ≈ 59 ft/s