your right half shaft needs to be replaced ,it is covered by a rubber bellow that cinnects to your wheel
It is possible that the wear indicators for the brake pads are touching the rotor, indicating worn brake pads. They probably make the noise all the time, but at higher speeds, the pitch changes, and there is more road noise, so the problem is less noticeable. Depending on how much you drive, and traffic situations, etc, the noise should get a lot more more noticeable within the next couple of days. You will then have to replace the brake pads, ASAP. If not, the pads will tear up the rotors, and then they too will have to be replaced.
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