Use dimensional analysis/unit analysis/factor label (all different terms for the same concept).
7 miles/second * 60 sec/min * 60 min/hour = 25200 miles/hour
3,000 feet per second = 2,045.45 mph
44 feet per second = 30 mph
1 mph = 0.44704 meters per second.
Feet per second x 0.68 = mph
146.5909090909091 Miles per Hour
17,000 mph equates to 4.72 miles per second.
350 mph = 0.098 miles per second.
44 mph = 0.012 miles per second
1,032 miles per second = 3,715,200 mph.
33 miles per second = 118,800 mph
0.033 miles per second or about 174.24 feet per second.
30 miles per hour is 44 feet per second.
0.000300405757 mph per second.
240 mph = 352 feet per second.
150 miles in 3 hours is equal to 50 mph. 50 mph = 0.0138 miles per second.
75 mph.
30 mph