It depends on how fast you run.
Depends on who are what is running.
Running one mile in nine minutes is running at 6.66 miles per hour.
The runner would be running at 6.67 miles per hour. This is answered by dividing 60 (minutes in an hour) by 9 (minutes it took for one mile). You are basically saying that the runner will run a mile every 9 minutes, so how many '9 minutes' (each mile ran) are in an hour.
you would be running 120mph
That cannot be properly answered unless you specify how fast you are moving.
Depends on who are what is running.
9.154 minutes per mile (rounded)
Running one mile in nine minutes is running at 6.66 miles per hour.
The runner would be running at 6.67 miles per hour. This is answered by dividing 60 (minutes in an hour) by 9 (minutes it took for one mile). You are basically saying that the runner will run a mile every 9 minutes, so how many '9 minutes' (each mile ran) are in an hour.
No, it does not. If only it were so easy.
you would be running 120mph
That cannot be properly answered unless you specify how fast you are moving.
Running a mile in exactly 4 minutes equates to a speed of 15 MPH.
One mile in 4.13793 minutes if running at 14.5 mph.
mph or minutes per mile
7.5
About 5.5 miles per hour.