How a solid fuel rocket start and stops?

A solid fuel rocket starts when igniters are activated, igniting the solid propellant within the rocket motor. This combustion produces high-pressure gases that are expelled through a nozzle, generating thrust and propelling the rocket upward. The rocket stops when the fuel is completely consumed, as there is no mechanism to shut off the combustion in solid propellant systems. Once the fuel is exhausted, the rocket coasts until it reaches the desired altitude or trajectory.