12 minutes 46 seconds.
At 60 mph, it takes x minutes to drive x miles. So 188 miles takes 188 minutes = 3 hours and 8 minutes.
(6 miles / 4 minutes) x (60 minutes / hour) = 90 mph
1.7 miles in 20 minutes equates to 5.1 mph
Three mph
3.7 miles in five minutes requires a pace of 44.4 mph
56 minutes at 60 mph
16 minutes at 60 mph
246 minutes at 60 mph
51 minutes at 60 mph
0.2858
16.8 mph at that rate.
75 mph at that rate.