how to make a cannon physical mesh follow the path

[bhushan6]

I am generating bezier curve as a path and I want a sphere to follow on that path, it works fine but I wanna add some collision detection so I am using cannon for converting three js mesh to hysical object but when as I am setting the api position on curve path it starts to offset in some direction slowly and doesnt really stays on path it works perfectly fine if I set the position on ref instead of api but then it doesnt really detects the collision,

here is the example of what I am doing