OK. That explains the upward trajectory, right? However, it’s more complicated than that.
What is the downward trajectory calculus...given earth’s gravity...taking the speed at the apex into consideration...and yesterday’s wind?
Speed at the apex is always zero for all projectiles (in terms of vertical velocity). Which makes sense because when the ball is at the apex in that instant it is neither going up or down, no vertical velocity. Horizontal velocity is basically constant and thus I didn’t factor it into the other calculation.
Technically the linear speed of the ball was faster than I posted because you combine the vertical and horizontal components of its velocity with a little trigonometry of course