Acar accelerates from rest along a straight road. as it accelerates, the magnitude of the car's momentum changes by a certain amount. by how much does the magnitude of the momentum of the earth itself change? 1. we need more information about the force of friction between tires and road that accelerated the car. 2. a much larger amount since the earth has a much larger mass 3. the same amount 4. a much smaller amount since the earth has a much larger mass 5. none of these