Andrea, of mass 51.5kg, thinks she’s sitting at rest in the middle of her 7.36m long dorm room as she does her physics homework. Within what range is…

Andrea, of mass 51.5kg, thinks she’s sitting at rest in the middle of her 7.36m long dorm room as she does her physics homework. Within what range is her velocity likely to be? (Enter the lower of the velocities first.)