This new feature is built into the latest versions of Cygnet. Please download the newest version of Cygnet - which contains the latest update to the Inner Tube game here:
Cygnet downloads and updates
At the new Very Low
Frequency
training, the rocket can often stop for a very long time. This can be frustrating to the clients. To help resolve this issue, you can set the rocket so that it will not come to a complete stop.
On the inner tube screen click the "settings" menu item, then select "Custom Settings"
On the "Customize Settings" screen, un-check the box: "Ship stops when ship speed link measurement is 0"
to change the behavior of Dual Drive for infra low training click here: 
