by Guest » Fri Jun 23, 2006 8:52 am
Velocity * time = length
1 inch = 25.4 mm
XXX mm/sec * (1 inch/25.4 mm) * XXX seconde = XXX inch
or
Velocity (mm/sec) / 25.4 * time (sec) = inch unit
Example: If you run at 100 mph during 1 hour your will have done 100 miles.