Smooth motion physics Playmaker

Hi, I'm setting up a character control scheme using Playmaker, and I've encountered a bothersome issue that I can't seem to get around. When I release the 'move' axis the character's motion stops very abruptly. This is very noticeable during a jump.

I'm using Get Axis Vector in Playmaker to move. The character object has CharacterController and ChracterMotor components attached. I have a Rigidbody attached without gravity as well, though I'm not sure I really need this.

How can I get the force of movement to behave more realistically? Do I need a physics script to handle this?

Also, I haven't applied a physic material because the character controller doesn't allow it.

Thanks!