if a baceball is dropped from a skysrcaper, what will its speed (Velocity) be after 4.5 seconds (assuming no air resistance)

44.1m/s

Explanation:

Ah, objects in freefall!

We know that the inital velocity is 0, as it was being held from a skyscraper at time zero.

We also know that objects accelerate at uniform fashion at 9.8m/s

Since it did so for 4.5s, multiply them:

9.8m/s(4.5s) = 44.1m/s

That would be its final velocity as the initial was zero

well, you would divide 135 by 33 to get your answer. then that is how many seconds it would take. boardman should fly about 132 m or 4.090909090909091 seconds.