the answer is 15/22, or 0.682
There are 5280 feet to the mile, and 3600 seconds to the hour.
If you remember 60mph is 88ft/sec, you won't go far wrong!
205.3 feet per second at 140 mph
27,404 feet per second is 18,685 miles per hour.
70 mph = 369,600 feet per hour.
About 1.364 miles per hour.
240 mph = 352 feet per second.
1200 feet per second is equivalent to approximately 818 miles per hour.
1 mile per hour = 22/15 = 1.4666... feet per second (rounded, repeating)The following are exact numbers:-- 15 miles per hour = 22 feet per second-- 30 miles per hour = 44 feet per second-- 60 miles per hour = 88 feet per second-- 90 miles per hour = 132 feet per second-- 120 miles per hour = 176 feet per second
203.66 feet per second is 138.86 miles per hour.
40 feet per second is 27.27 miles per hour.
75 miles per hour = 110 feet per second
205.3 feet per second at 140 mph
3 miles per hour is equal to 4.4 feet per second.
15.0 feet per second is equivalent to: 10.23 miles per hour.
10 miles per hour = 142/3 feet per second
120 feet per second = 819/11 miles per hour
184 feet per second is 125.45 miles per hour.
27,404 feet per second is 18,685 miles per hour.