"Machine gun" noise when accelerating from a full stop...stops after getting into higher gear

Hello, noises are really hard to figure, but sounds like it could be an axle or driveline issue. Hands on inspection by an experienced technician would be best; they will have the ability to easily detect a source and then move forward with diagnostic testing. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops