About 55-60 the most
Probably about 50-60
Yes, you just won't go as fast.
The answer depends on the person's mode of transport. In all likelihood, the person's mass is irrelevant.
a mini bike with a 90 pound person on it that is 97cc can go 50mph
Stock 13.80
Too fast!
A stock Yamaha Banshee will go 77.7mph
around 115 stock best quad made
With stock gearing around 63 mph
The stock Bugatti Veyron goes 253 mph.
There are 3,500 calories in a pound. How much a person weighing 212 pounds, burns walking a mile, depends on how fast they are walking. At the speed of 20 minutes per mile, a person weighing 212 pounds would have to walk close to 32 miles to burn 1 pound.
No. not if it is stock.