A baseball traveled 485 feet in 5 seconds how fast is it going?

Ithink the answer is d i hope it my friend message me if i’m wrong and i’ll change my answer and fix it for you

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other

The answer is d, you can easily test a theory! hope i you : )

Answerit decreases;