1,200 feet per second = 818.2 mph
1200 feet per second is approximately 818 miles per hour.
50 ft/sec or 34.1 mph
1,200 feet per minute = 13.64 miles per hour (rounded)
6.1 mph = 8.95 feet / second.
20 hours at 60 mph
At 1000 mph, there are approximately 1467 feet per second.
15 mph = 22 feet per second
40 mph = about 58.6 feet per second.
55 mph = 80.6666 feet per second
350 feet per second = 238.64 mph
Five mph equates to about 7.333 feet per second.
69 mph is 101.2 feet per second.