When I used to teach advanced students in marque club track days, I'd have them practice purposefully drive two-off after they got to their exit clipping point, to help them internalize the reality that they could do exactly that (like coming onto the back 'straight' at Portland. The worst thing in that situation is - of course - to try to hang onto the car for fear of getting it on the grass. (See also, "Roebling Road car-eating wall")