V1 (2015 GMC Acadia) was eastbound in left lane being tailgated by an aggressive driver. The aggressive driver passed V1 in the right lane and then cut back into the left lane and brake checked V1, coming to a complete stop in the left lane. V1 hit the brakes to avoid the aggressive driver and was rear ended by V2 (2004 Toyota Corolla). V1 reported the aggressive driver got out of his vehicle and was yelling and then left the scene of the crash.