he ran a 40 in 4.2..
he can run a forty in 4.13 so he is fast
4.40
Really Fast!!
At least 16.8 mph
ten miles per hour.
4.33 seconds
26 miles per hour
Some run slow, some don't run at all, & some run really fast. I know some bodybuilders and they run extremely fast. they all run the forty meter dash in 4.6 sec and better. They run a 5.13 minute mile.
70 mph
A verb is an action, therefore fly or run would be the verb.
Between 4.6 - 4.5 seconds.
In college at the University of Kansas, Chamberlain ran the 100 in 10.9.