Between 30-45 MPH. The fastest recorded time by a man is 67 MPH!
The man would have to go at a speed of 222 miles per hour to cover 555 miles in 2 hours and 30 minutes.
127.38109440865345 Miles per Hour
216,000 miles per hour.
About 5.6 miles per hour.
50 miles per hour.
70 miles per second is 252,000 miles per hour.
One km per hour is equal to 0.6214 miles per hour.
228 meters per hour = 0.14 miles per hour.
14.96 miles per hour.
About 3.4 miles per hour.
657.0950374 miles per hour
88.85608 miles per hour