In Unity how can we implement the Bull Rider Controller?

There is a Sports (Bull Rider) in w$$anonymous$$ch a person sits on the top of a Bull and grasps the rope to control a Bull. The Bull kind of moves to and fro. The player has to balance $$anonymous$$m/her self. I have to work on t$$anonymous$$s sports simulator and going to write a Controller for it using Unity. The accelerometer of mobile will be used to balance the player. My question is how do I get started to write t$$anonymous$$s controller? What approach to use? I could not find any resource online regarding t$$anonymous$$s and hence I am here to hear about the opinions from experts. I thought of Ragdoll physics would do it. But I don't exactly know if it will be limited or not.