1 mile = 5280 feet
1 hour = 3600 seconds
so
1 mph = 5280 ft/3600 seconds = 1.466... fps
Feet per second x 0.6818 = mph
240 mph = 352 feet per second.
350 mph = 513.3 feet per second.
29.3 feet per second at 20 mph.
(19 (mph) * 1760 * 3) / 3600 = 27.86 feet per second (approx) > mph>yards per hour>feet per hour>feet per second
2,200 feet per second is 1,500 mph
34.61 feet per second = about 23.6 mph (23.5977273)
15 mph = 22 feet per second
40 mph = about 58.6 feet per second.
350 feet per second = 238.64 mph
69 mph is 101.2 feet per second.
55 mph = 80.6666 feet per second
99 feet per second = 67.5 mph