Reducing Maximum Drive Speed Through Drive VI

[kully kekaula]

I'm a first year programmer so I might have a lot of wrong ideas and false concepts of how to execute this but please bear with me

So my team wants to implement two individual drive systems: One to use on the bridge in which the bot's maximum speed is reduced to 1/3 the maximum speed for easier control, and another which is used normally on the field that will be run at full speed. The reason why I need two individual drive systems is that on the field we want to use a holonomic drive system for control, but on the bridge we want to use a tank drive, with the tank drive driving at 1/3 speed. We're planning on using an Xbox controller for the holonomic drive, one joystick for forward/backward and turning, and another for strafes. For the tank drive, we want to use a joystick that will be forward/backward and turning constituting the tank drive.

Now this leads me to two questions. How might I reduce the maximum speed of the drive systems in only ONE of the drive systems and will both drive systems work cooperatively if executed within the same teleop.vi?

Thanks for any help!