Please need help fast thank you. The problem is in the picture.

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Evaluate cos2θ for cosθ = square root of 3/2

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square