I think you're underestimating how fast 15 mph is. That's a 4 minute mile, a pretty extreme sprint for your average joe, especially if they've just fallen off o

I think you're underestimating how fast 15 mph is. That's a 4 minute mile, a pretty extreme sprint for your average joe, especially if they've just fallen off of a vehicle. That's a good pace for a amateur or high school 100m sprinter, and it's the world record pace for 1 mile.