To get this you will need to go like the clappers from the start, no slip streaming being the pack.
Once your heart is out you need to press on, now you will need to waggle pretty quickly to keep top speed but more importantly you need to keep the tempo right, if you miss a left or right your speed will drop dramatically. Getting this speed back will require you to strip to your boxers and burn that arm.
Also, pause can be used to recharge your battery, however beware the pause as you can lose momentum and have to put a huge effort in every time you come off the pause.