a student builds a rocket-propelled cart for a science project. its acceleration is not quite high enough to win a prize, so he uses a larger rocket engine that provides 39% more thrust, although doing so increases the mass of the cart by 15%.

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location