When your speed is doubled, your braking distance is multiplied by four.
The average speed of a horse's walk, which could be maintained for long distances, is three to four miles per hour. The average distance horses are capable of covering within one continuous day is thirty miles.
You would have to maintain an average speed of 5.71 mphfor the whole four-mile distance.
4 miles is a distance measurement of four miles.
Four miles is the greatest distance.
Calculation of speed requires distance as well as time. No information on distance given.
It will have travelled 4*60 = 240 miles
Four Miles :)