Wrapped Orbit <-- Please go to JTV for Flash/HD/Download
Difficulty level: intermediate
This form of acceleration is said to give the most speed.
From open string put a wrap on your diabolo.
Use your dominant stick to power the diabolo along the string.
When the diabolo is about to pass your non dominant hand stick, relax and point both sticks at the diabolo, follow it round until it gets to your dominant stick.