A Child Throws a Ball with an Initial Speed of 8.00

Multiple Choice

A child throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. The ball leaves her hand 1.00 m above the ground. What is the magnitude of the ball's velocity just before it hits the ground?

A) 1.22 m/s
B) 6.79 m/s
C) 7.45 m/s
D) 9.14 m/s
E) 4.58 m/s