About 8.75 mph at that rate.
It is 3 mph.
6.923 mph
You are running 10 mph at a 6 min. pace.
30 mph at that rate.
75 miles at a constant speed
8mph
1 hour = 60 min so each one mile = 1 min when 60 mph there for 17 miles will be 60/50*17= 20.40 min.
93.08 mph at that rate.
3.46 mph
19h 6 min
1.5 miles in 12 minutes equates to an average speed of 7.5 mph for the whole distance.
You are running at about nine (9) miles per hour.