it keeps moving by the force that is put onto the spacecraft before turning the gas off by the fuel (as newton's third law of motion; for every action there is an equal and opposite reaction)
There are many possibilities. More information is needed. If it's a 70's era car that's dieseling, could be the timing is off, or the anti-dieseling solenoid isn't working. If the car has had an...
Two answers: If it is an old car with a carburetor you could be suffering from a condition called pre-ignition or run on (same thing) the engine will rattle clatter and shake. This is caused by...