Controlled accelerating speed. Latting the pole forward as you bring the hips around mechanically in a dynamic acceleration. Don't snap the chest out- pull the thumbs in and look to the right or left which ever is best and relax over the bar. Run miles, swim alot, work the torso porprotionately to the limbs. Somewhere around should width plus or minus some comfortable distance.
Hand hold is strickly a function of speed.
Jump to the middle of the pit.