A boy kicks a soccer ball to the right. A graph of Force on the y axis and time on the x axis shows the force on the ball reaches 100N from time 0 - .1 s It plateaus at 100 N from .1 to .2 seconds and decreases from 100 N to 0 from .2 - .3 seconds. The ball has a mass of 0.5 kg What is its final speed of the ball before it hits the ground?