The car is going 29mph
If it takes 78 seconds to go 55 feet you are traveling at 0.48 miles per hour.
The skateboard is going 4.64 miles per hour.
About 4.5 miles per hour.
3 miles = 15840 feet 1 hour = 3600 seconds so you are traveling at 15840/3600 = 4.4 feet per second 180/4.4= 40.9 seconds So it takes 40.9 seconds to go 180 feet at 3 miles per hour.
565.487 / 4 = 141.37 feet per second (rounded)Also . . . 96.39 miles per hour (rounded).
36.9 mph
0.33 seconds.
You are going 6.82 miles per hour.
40.597 feet (rounded)
800.8 feet in 9.1 seconds.
You are traveling 70.18 feet every 1.1 seconds at 43.5 mph
It takes 28.8 seconds.