. 1. For each part of your experiment, list each variable involved and state whether it was held constant, increased, or decreased. ' 2. How did changing the rotational inertia of the system affect its angular acceleration? . 3. How did changing the net torque applied to the system affect its angular acceleration? . 4. Based on your data, what is the mathematical relationship between angular acceleration and rotational inertia (proportional, inverse, squared, et cetera)? How do you know? ' 5. What is the mathematical relationship between angular acceleration and net torque (proportional, inverse, squared, et cetera)? How do you know