1 minute 18 seconds.
59.52 mph
About three seconds.
About 102.67 feet per second. 70 miles / 1 hour = x feet / 1 second 70 miles / 3600 seconds = x feet / 1 second 369600 feet / 3600 seconds = x 102.67 = x
69/11 seconds
55 miles per hour = 4840 feet per minute. Time = Distance/Speed = 500/4840 = 0.10331 minutes.
1,000 feet per minute is about 11.363 miles per hour.
30,000 feet per hour = 5.68 miles per hour.
Approx 2.84 seconds.
Approx 9.92 seconds.
feet per hour x 0.0001894 = miles per hour
70 miles
If it take you an hour to drive 80 miles and an hour to drive 50 miles, you will not necessarily save fuel. Fuel consumption is measured by miles per gallon, not time driving. You use less fuel driving 50 miles than 80 miles.