How many miles per hour is 4.5?

how many miles per hour is a 4.5 40 yard dash?

Impossible to answeer

18 MPH

No.

@rocketraccoonthingy: Thank you can you tell me how fast is 21 mph in 40 yards?

@drake01: 4.07 seconds

@rocketraccoonthingy: Thank you

You're welcome.

@rocketraccoonthingy: 1 more question how fast is a 4.67 40 yard dash in mph?

Why do I have a feeling that you're trolling? Dude google is right there!

@rocketraccoonthingy: I already tried google nothing comes up for it.

Assume 18 is the right answer for the first question

21/18 is 7/6

4.5/ (7/6) = 3.86 secons r.2.d.p

I don't believe you.

@sophia89: I even mispelled, im not a math nerd gal. Take my word.

You're not a gal.

@elderskaar: If you're a gal, I would have been flirting with you right now.

There are 5280 feet in a mile
There are 120 feet in 40 yards
There are 44 40 yard segments in a mile
At 4.5 seconds per 40 yards, it would take 198 seconds (3 minutes 18 seconds) to go 1 mile.
There are 3600 seconds in an hour
3600/198 = 18.18181818.....mph

21 miles (110880 ft.) per hour (3600 seconds) = 30.8 feet per second (110880/3600)
40 yards (120 ft.) at 30.8 feet per second = 3.896103896103896 40 yard dash

let's see...........