https://streamable.com/21gc9
http://www.pacificpressagency.com/
Just before the Charlottesville car speeds up, it was hit by some guy with a flag pole.
It is clear in the gallery of photos, below:
http://www.pacificpressagency.com/assetpreview/getnw/484824?c=7e011659526dfe0952e7f32e4ebd1289&sz=612&1502729305