WASHINGTON - How fast do you go on the treadmill at the gym -- 5, 6, maybe 7 mph?
The Arizona Cardinals' Robert Gill recently hit that speed while "getting ready for the 2013 season," according to a video posted on YouTube that's getting some buzz online.
If you think that's impressive, consider this: Jamaican sprinter Usain Bolt reportedly topped out at nearly 28 mph during a 9.58-second, 100-meter sprint in 2009.
A cheetah, meanwhile, could have run that same distance in about six seconds, according to LiveScience.
Check out Gill's video below:
And here's Bolt:
And for good measure, here's a cheetah:
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