Answer
It's not the constant acceleration of $9.80~m/s^2$ of your freely falling body that hurts you, it's the large upward acceleration from the upward force of the ground acting on your body's mass.
Work Step by Step
It's not the constant acceleration of $9.80~m/s^2$ of your freely falling body that hurts you, it's the large upward acceleration from the upward force of the ground acting on your body's mass.
