5.625 miles per hour.
9 mph for 1 hour and 40 minutes is 15 miles. 1 hour at 9 mph = 9 miles 40 minutes at 9mph = 6 miles 9 miles + 6 miles = 15 miles
She can run 18.75 miles in 15 minutes at that pace. This, however, is humanly impossible since she would have to run at 75 mph!
12 mph. If you ran 1 mile in 5 minutes, and kept that pace, you would run 12 miles in 60 minutes (1 hour).
You would need to maintain a pace of at least 6.3 mph over the 1.5 mile distance.
6.92 mph, or round to 7 mph.
10 mph
You would have to run at 60 mph.
12 MPH
5.8646 mph
5.625 miles per hour.
To do the run in 13.049 minutes your pace must be at least 7 mph.
3.19 MPH
10 Mph.
9 mph for 1 hour and 40 minutes is 15 miles. 1 hour at 9 mph = 9 miles 40 minutes at 9mph = 6 miles 9 miles + 6 miles = 15 miles
just over 6 mph
2.33 miles in 20 minutes at 7.0 mph