Basic mechanics, rockets only - UNOFFICIAL CONTEST: Fastest car

Does this counts as one piece dummy?


Story: The dummy wants a new, fast car, his old is not enough, so design his new car!
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Rules:
Must have a dummy
The dummy shall not be attached to anything
Must be able to drive and take the dummy to the end of the level
The dummy shall be in one piece at the end
No lua
Must be a detrivate of this level
Remove the example
Must have detrivates allowed
Both wheels shall be on the ground
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Contest ends the 6th february 2015, so be quick