47. a baseball catcher throws a ball vertically upward and catches it in the same spot when it returns to his
mitt. at what point in the ball's path does it experience zero velocity and non-zero acceleration at the
same time?
a.
midway on the way up
b.
at the top of its trajectory
c.
the instant it leaves the catcher's hand
d.
the instant before it arrives in the catcher's mitt