I don't know about 2.8s; but, here are some reactions to 3.1s in the new Tesla S P85D version in the "Insane" mode of operation.
https://www.youtube.com/watch?v=LpaLgF1uLB8 (expletives NSFW, volume down)
I don't know about 2.8s; but, here are some reactions to 3.1s in the new Tesla S P85D version in the "Insane" mode of operation.
https://www.youtube.com/watch?v=LpaLgF1uLB8 (expletives NSFW, volume down)