Problem: Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s2. If you are in an automobile accident with an initial speed of 137 km/h (85 mi/h) and you are stopped by an airbag that inflates from the dashboard,
Part A: Over what distance must the airbag stop you for you to survive the crash?
Please help, completely confused!! Give steps if possible for above problem.