POC: 2D Car Physics

I'm considering creating a 2D Car game, similar to Hill Climber.  This is a proof of concept, just testing the features.  The art is only a place holder, as I borrowed it from RC-Niews.nl for this test.  The point is to make sure I can control general physics and vehicle creation.  Additionally will come custom graphics, upgrades, terrains, power-ups, high scores, and hopefully a fun & engaging system of play.