I just upgraded to the full collection and just found out that with having the full version of the Mini V I can no longer use the Mini Original....it deletes it right off the computer so I can't try this with the Original...oh well.
But I figured out how this works on the MiniV using Osc 3. Turn on Osc Mod, Set Osc3 Range to Lo Mono, Use the Osc3 right click to control speed, select waveform, then turn Osc3 off in the mixer to eliminate beating, use modwheel to adjust amount. I still cant recreate that exact sound though using OSC 3 it ends up being Boingy and not forcefull enough.
I managed to do it using the added LFO though. There's some hidden secret to this.