Lakshmi Is Standing, Facing Forward, in a Crowded Train That

Essay

Lakshmi is standing, facing forward, in a crowded train that has come to a station and stopped. On an adjacent track there is another stationary train. Suddenly, the train on the adjacent track begins to move backward (relative to Lakshmi's train). When Lakshmi sees the adjacent train, what is she likely to perceive, and how will she physically respond to what she perceives?