Car rocks on rough highway on 2010 Acura TSX

All the time when riding in the car, if you hit a bump or a rough spot it's like the car has an after shock and it rocks back and forth. Have also got a lot of road noise. Could this have something to do with the VSA switch???

Asked by for the 2010 Acura TSX
a 2010 car is still under factory warranty!! why isn't it
already at the Acura dealer???