How would i label the y axis and fill it out and answer questions at the bottom i need answers and

What do you think car designers do if the damage caused by a crash test is too severe?

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

How is zig zagging a form of acceleration?