Onboard moving train, scenery moving quickly past window, window scenery movi…

Prompt

Onboard moving train, scenery moving quickly past window, window scenery moving quickly past, the train carriage bumps and rocks like aeroplane turbulence, she is trying to keep her balance, she holds on not to fall over as train bumps, womans ass jiggles and bumps with the rhythm of the jolting train, she looks apologetic, woman is astonished but embarrassed about it