a repeating grinding noise in front end that is related to speed, what is cause?

Hi this is Dusty, I'm one of the auto experts on RepairPal's Car Genius team! That's not exactly the sound of music to my ears, or yours I'm sure. If the noise is persistent, and the intensity follows your vehicle's speed (faster = louder, slower = quieter) it's most likely the wheel bearing. Either way it should be evaluated sooner rather than later, the noise will continue to get worse, and is being caused my a lack of lubrication in the bearing. Which is leaving the materials inside to wear away directly on one another, and it can affect your vehicle's stability if ignored. If you have any other questions or would like to help with finding a RepairPal Certified shop in your area, give us a call! 877-913-1554