58 mph
approximately 38 mph
268 / 4 = 67 mph.
542 miles in 12 hours and 37 minutes equates to an average speed of 42.96 miles per hour.
speed 13 miles, 36 yards and 2 feet per hour
You cannot convert hours into miles because you have no idea how fast they were driving. There could be a huge difference between someone who drives really slow over 200 engine hours and someone who drives really fast over the same 200 hours. It does not take into account the distance traveled, only the hours the engine has been run.
81.82 miles per hour.
5.71 mph
32 MPH
ruffly 168mph
its speed was 67miles/hour
About 638 mph
41.66 mph