Dear God please fucking help me. I have no idea what I'm doing.
>>378450
replace t in the equation with "per second" and look at the problem again.
>>378450
The general equation is 1/2 a t^2 + v_0 t + h_0
t is time, a is acceleration v_0 is initial velocity, h_0 is initial height.
Remember to make sure the signs (which direction is counted as positive) is consistent throughout