Dream didn't win because "Dream is faster". It won because:
1. "The rider is faster".
2. CG125 Classic had a passenger, holding the camera.
Also, If you notice the initial acceleration, the Classic CG125 guy couldn't even launch the bike properly.
I have done it myself; both 'calm start' and 'crazy start' ... and CG125 is all about "launching". If you launch it well, its going to top the full meter quicker than usual.