2.56 seconds, approx.
0.3896 second (rounded)
4.5 seconds.
~3 seconds
At 30 mph it takes about one second to travel 45 feet.
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.
0.38 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.