The answer here would be the first law of motion. An object in motion will stay in motion unless acted upon by another force.
10 minutes are the same as 600 seconds.
If you run 2 meters in 1 second then you run 2 * 600 meters in 600 seconds.
It will take 21s for yhe alligator to crawl that distance. Reported answer contains 2 Significant Figures.