It's barely three seconds...
Well, the colours are nice.
The transition at 0:04 seems far too sharp, soften the edge a bit.
EDIT: Skip mentioned the stiff screen pumps, in Vegas you can right click on keyframes and set them to smooth. If you already did that, then do more gradual keyframes.
Last edited by rossbarker; Nov 13, 2014 at 08:25 PM.