Bent wheel, possible loose wheel bearings, camber could be seriously off, sub-frame cracked, or something else like a traction arm is broken. Take it to an alignment shop and have it thoroughly inspected. This could be very dangerous.
A vacuum leak is one possibility.
Centrifugal force
Your power steering pump and or steering box may be about to give out on you.
Kinetic Energy helps the car wheel spin...
It could be your brakes telling you hello I'm in need of some attention down here .
If a car is making a grinding noise in the right back wheel, it could be a sign that a wheel bearing is failing. It is necessary to take the car to a qualified mechanic for repair.
Bad wheel bearings
Tire out of balance, bent wheel, or defective wheel bearing are common causes.Tire out of balance, bent wheel, or defective wheel bearing are common causes.
most likely,wheel alignment
to light in the back
loose wheel lug nuts
If a car dealership has a lean on your car and you have not made the required payments they may repossess your car.