The elbow is disconnected from the body in the racking position because everything is tight and tense.
Perform some shoulder circles. Loosen the scapula, with scapula adduction, abduction, depression, elevation. Repeat several times,. Repeat everything for several rounds until it’s all loose.
Try again, relax the trapezius, relax the neck (levator scapulae), and relax the shoulders.
Connect with the scapula and pull them down. Pull everything under your armpit down (lats). Chest active. Pull the elbow down.