@swaylorwwe1110,
Welcome to A2K!
Newton's second law:
Quote:A body experiencing a force F experiences an acceleration a related to F by F = ma, where m is the mass of the body. Alternatively, force is equal to the time derivative of momentum.
If force = mass x acceleration, then acceleration = force / mass. The problem says the force is constant, but the acceleration is going up.
This means the mass must be going down. As the fuel is burned, the shuttle weighs less and less, so it starts to accelerate more.
Hope that helps. Post any questions.
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