Back Squat, Pull ups, 10 minute AMRAP Workout

A1) back squat @ 30×1, 4-6 reps x 4 sets; rest 90 sec
75#
A2) weighted pull up (weighted negative @ 31J1); 3,3,3,3; rest 90 sec
Still need assistance on machine 20+ :(
+
10 min AMRAP
4 burpees
6 kettlebell swings (overhead)
8 wall balls

6 rounds!