Time to learn a new skill! Kipping is using the lower body to assist the upper body on tough gymnastic movements, such as pull-ups. Kipping isn't for everyone but give it a shot and spend some time working on it outside of class to really dial it in.
Kipping Introduction & Arch/Hollow Holds
Pull-ups 5 x 5 E90s
"Double Up" // 10 min AMRAP
10 Ab Mat Sit-ups
10 Double unders