State Troopers say the incident happened on Washington County Road 3900 between County Roads 4010 and 4020.
We're told the 2011 Chevy Traverse was westbound on County Road 3900.
Lei Yang was instructing driver Shuang Xue on how to drive when they had a verbal dispute and Yang jumped out of the moving vehicle.
Yang struck the ground and died at the scene.
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