Here, click through to see 13 of our favorite photos of the legendary screen siren that you haven't seen on dorm room posters a zillion times before. With then husband Joe DiMaggio at a Yankees game on April 11, 1961. On set with Tony Curtis in 1958. With then husband Joe DiMaggio at a Yankees game on April 11, 1961.
As of 20 August 2008, Usain Bolt is the the world's fastest man with a 200 meter sprint of 19.30 seconds, giving an average speed of 10.36 meters per second. There are 1609.344 meters in a mile, so 10.36 m/s / 1609.344 m/mi = 0.0064374 miles/second. There are 3600 seconds in an hour, so 0.0064374 mi/s * 3600 s/hr = 23.175 miles/hour. Usain Bolt clocked an *average* speed of 23.175 mph during his world record run, however he may have achieved speeds of 23-27 mph in the early part of the sprint.
Running Speed. Start with a slow jog of about four to five miles per hour at the beginning of the workout. Increase the speed to your typical running speed on the streets. For reference, six miles per hour is 10 minutes per mile, eight miles per hour is 7:30 per mile and 10 miles per hour is six minutes per mile.Start the treadmill at a slow speed of about 1.5 to two miles per hour to warm up.For the bulk of the workout, aim for speeds between three and five miles per hour, depending on your fitness level. Short bursts of power walking at over five miles per hour help burn calories.ncrease the speed to your typical running speed on the streets. For reference, six miles per hour is 10 minutes per mile, eight miles per hour is 7:30 per mile and 10 miles per hour is six minutes per mile. Start the treadmill at a slow speed of about 1.5 to two miles per hour to warm up.