Hockey puck

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 2.0 m. What is the acceleration of the puck just before it touches the ground?
20 m/
4.9 m/
19.6 m/
9.8 m/

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 2.0 m. What is the magnitude of the velocity of the puck just before it touches the ground?
21 m/s
22 m/s
24 m/s
25 m/s