Image description: Marissa and Khalid are sitting at a desk in a classroom working on their calculators.
Khalid: A quadratic model does make sense for the vertical position of the projectile since the path of the projectile is parabolic.
Image description: A graph appears showing a parabolic function.
Marissa: I agree. But the velocity graph should have a different shape to the graph. I wonder what function would model this data the best.
Khalid: Let’s take a look.