Is this your equation?

Plug in 50 into your equation for t.a)how high does the rocket travel in 50 s?

Find .b) what is the average velocity of the rocket during the first 50s?

Plug in 125 forc)what is the average velocity of the rocket during the first 125ft?s(t)into your equation and solve for t. Whatever this answer is (I'll call it x), then find .