Use this conversion: mph x 88 = feet per minute.
The conversion factor is 88. So, mph x 88 = feet per minute.
11,000 miles in 115 days = 350.7 feet per minute (about 4 mph).
To convert mph to feet per second, always multiply mph by 22/15. As an extension, to convert mph to feet per minute, always multiply mph by 88. To answer your question, (30) x (22/15) = 44 feet per second
68 mph = 5984 feet per minute
2.5 mph = 220 feet per minute.
1.466 is the conversion factor. So, 60 mph x 1.466 = 87.96 feet per minute.
35 mph = 3,080 feet per minute.
275 feet per minute is 3.125 mph
20 mph = 1,760 feet per minute
3 mph = 264 feet per minute.
30 mph is 2,640 feet per minute.
80 mph = 7,040 feet per minute.