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^^^ Aerospace Engineering, but isn't engineering just the application of mathematics/physics?
Moment = torque. Inertia is something entirely different, but I'm sure you know that. The only reason you have to give it more gas to get the car going is because it takes a certain amount of energy to get a 2900 lb car moving. Mass and rotational speed are independent, directly proportional variables of that energy so if you decrease one, you have to increase the other.
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