180 mph
14 miles
1.5 miles per 14 minutes ~6.42 miles per hour
146 miles @ 65 mph.= 2 hrs. 14 mins. 46.15384614 secs.
9 mins 14 secs per mile.
If you go 20 miles in 14 minutes your average speed is 85.71 miles per hour.
14 hours and 10 mins
1 hour = 60 mins 1 min = 60 secs time = distance ÷ speed = 1 mile ÷ 6.5 mph = 2/13 hour = 2/13 x 60 mins = 93/13 mins = 9 mins 3/13 x 60 secs = 9 mins 1311/13 secs ≈ 9 mins 14 secs ≈ 9.25 mins
14 miles
I-35 N / 909 miles - about 14 hours 5 mins
1.5 miles per 14 minutes ~6.42 miles per hour
146 miles @ 65 mph.= 2 hrs. 14 mins. 46.15384614 secs.
That depends on your speed.
Take I-35 S / 909 miles - about 14 hours 4 mins.
9 mins 14 secs per mile.
852 mi - about 13 hours 14 mins by car
If you go 20 miles in 14 minutes your average speed is 85.71 miles per hour.
This is an average speed of 4.3 miles per hour.