The average speed is exactly (100 miles per 5.5 hours).
In a more familiar unit:
100/5.5 = 182/11 miles per hour = 18.182 mph (rounded)
212 miles per hour.
55.231 MPH
The time it takes will depend on your average speed while traveling. In hours, it will be (490/speed in miles per hour).
Traveling 117 miles in 2 hours and 15 minutes means the average speed is 52 miles per hour. (Divide 117 by 2.25)
33.3333 miles
The average speed is 120 miles per hour.
212 miles per hour.
55.231 MPH
420 mph
40
Your average speed is 32 miles per hour.
1376 minutes.
An average of 45 mph.
The time it takes will depend on your average speed while traveling. In hours, it will be (490/speed in miles per hour).
Traveling 117 miles in 2 hours and 15 minutes means the average speed is 52 miles per hour. (Divide 117 by 2.25)
33.3333 miles
Impossible to answer without knowing an average speed. Big difference between traveling by car and traveling by jet plane.