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.
They are very close but 18 feet per second is slightly faster: 12.2727 mph
1,000 feet per minute is about 11.363 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.
Google can do conversions like this for you. Google "2700 km per hour in miles per hour" and you get this answer;
40 feet per second is 27.27 miles per hour.
75 miles per hour = 110 feet per second
184 feet per second is 125.45 miles per hour.
3 miles per hour is equal to 4.4 feet per second.
120 feet per second = 819/11 miles per hour
60 miles in one hour is the same as: 88 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