1 mile = 5280 ft
62.5 feet per second = 62.5 * 60 * 60 = 225000 feet per hour
225000 feet per hour = 225000/5280 = 42.6136 mph
6.1 mph = 8.95 feet / second.
2,200 feet per second is 1,500 mph
55 mph = 80.6666 feet per second
350 feet per second = 238.64 mph
15 mph = 22 feet per second
40 mph = about 58.6 feet per second.
69 mph is 101.2 feet per second.
1,000 mph = 1,466.66 feet per second
125 mph = 183.33 feet per second.
132 feet per second at 90 mph.
1.46 feet per second at 1 mph.
240 mph = 352 feet per second.