No.
Yes its possible.No. Its unstable.
you could make a ghost player appear behind you when you move fast, or have some sort of emitter on the player that copies her node colors and makes a trail with them
Here's how to do itStep one - Convince Badspot to switch to havok or unreal game engineStep two - ????ProfitSo easy, right/sarcasm
It would cause more lag than make the game look better