Because many things in day-to-day experience, the speed of day-to-day objects such as cars, trains, planes, walkers, runners, can be measured in miles per hour and give distinguishable results - a car in town may be 30 mph, a walker 5 mph. In miles per minute they would all be moving at a fraction of a mile.
Although there is no mathematocal difference whichever unit you use, people prefer whole nimbers.
1 yard per minute = 0.0340909091 miles per hour. 110 yards per minute = 110 X 0.0340909091 miles per hour. She skates 3.75 miles per hour.
0.3 miles per minute.
because it's shorter mph simply means miles per hour
240 miles per hour = 240 miles in 60 minutes = 240/60 miles per minute or 4 miles per minute.
1,500 km per hour = about 15.5 (15.5342798) miles per minute.
150.55 km per hour = about 1.6 (1.55912388) miles per minute.
Miles per hour x 88 = feet per minute
216,000 miles per hour.
If you run at 7.6 miles per minute, that is equivalent to 456 miles per hour.
Miles per hour x 0.0167 = miles per minute
miles per hour x 29.33 = yards per minute
1.16 miles per minute.