It takes 51.43 seconds to travel 2,640 feet at 35 mph.
3.409090.... seconds
22.7 seconds.
1.28 seconds.
6.82 seconds.
7.58 seconds.
3.41 seconds.
0.41 seconds.
1.065 seconds.
6.82 seconds.
2.56 seconds, approx.
It would take approximately 8 seconds to travel 492.8 feet at a speed of 30 mph.