You first get the ability to switch gravity in C1-1. I found the best first place to apply the brakes was C2-2.
Drop the box in front of you, then press
and drop it onto the circular saw ahead of you. From this position, to your right there is a line on the wall that extends from the top to the bottom. You'll want to jump off and try to stick between this line and the wall to the left without actually touching the wall. When you pass the second set of circular saws below you, hit
. If done correctly, you will slide across the floor, sparks will fly, and the achievement will unlock.