Question

A hockey puck slides off the edge of a table with an initial velocity of 20 m/s. The height of the table above the ground is 2.0m. What is the acceleration of the puck just before it touches the ground

Answer 1

Without air resistance, every falling object has 9.8 m/s² of acceleration,
from the instant it starts falling until it hits the bottom.

None of these things makes any difference:

-- whether you throw the object up, throw it down, or just drop it
-- any horizontal speed it has
-- how much mass the object has
-- how heavy it is
-- what color the object is
-- how far it falls
-- how long it takes.