A car traveling at 105 strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.

A car traveling at 105 strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.85 . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of “‘s,” where 1.00 = 9.80