k seconds per mile = 3600/k miles per hour.
(60/x)*60 where x is the number of seconds it takes to travel a mile.
To convert seconds to hours, divide by 3600. The speed would be 95.745 mph.
18 seconds to travel a mile at 200 mph.
It is equivalent to 50 mph.
100 Mph
51.42 seconds.
Use this formula: mph x 0.447 = meters per second
1 / 42 mph = 0.02381 hours per mile0.02381 hours per mile x 3600 sec. per hour = 85.7143 seconds per mile.
11.1014 mph
At a speed of 49 mph, one mile is covered in 73.47seconds. (rounded)
1 mile/50 sec * 3600 sec/hr = 72 mph
To convert mph to minutes per mile, multiply mph by 60.