Young, inexperienced safety mis-timed the play, got there way too early, and went low to avoid the penalty (clock stops/free play). Probably figured his teammate would get there, but he took out his teammate in the process.
Rewatch it again from both angles, side view shows how early he was. Makes more sense why he whiffed so hard, he was trying to get out of the way to avoid the early hit.
If you