> 10 mph is more than enough to injure someone on collision Wow then, you must be really worried that 3 feet away a 2 tonne vehicle can go 40mph. And you shoul

> 10 mph is more than enough to injure someone on collision Wow then, you must be really worried that 3 feet away a 2 tonne vehicle can go 40mph. And you should, they kill around 40,000 people every year.