[Bagger Lance]

1-F ...The Right Arm can contribute Hand Acceleration to the Downstroke and support all elements of "Resistance to Deceleration".

Based on your swing video, I think you probably have plenty of Hand Acceleration.

Study 2-K and beef up those golf muscles and supporting tendons through fast twitch/explosive exercises and supplements if needed. Take the time to pay close attention to each muscle group involved in your swing from the Inner Quads, Hip Flexors, Glutes, to the Abs, Intercostals, Teres Minor and Major, Lats, Romboids, Triceps, forearms, etc. Concentrate on "tendon pull" but not to the extent you injure yourself.

Make it a point to isolate the feel of each active golf muscle in your swing, then work on strengthing, stretching, and feeding them to maximize their strength and flexibility - Especially the tendons to avoid injury, because they take more time to strengthen than muscle. As you practice, focus on one muscle group at a time and learn its function. Then work the heck out of it.

You are already doing this, so I'm preaching to the choir but other folks seeking distance would benefit.

2-K "Muscle Tendons pulling the Body, the Arms, and/or the Wrists around their centers."

To maximize Pivot Lag, allow the muscles and tendons to stretch and then pull the skeletal system via the tendons from the ground up, through each swing center to your hands. As one muscle group in the chain activates and pulls its succeeding swing center, you'll feel like you are leaving the clubhead at the top. Once you've reached your release point deep into the swing, do what you need to do with your hands to pull through impact.

Maximum Distance is achieved via Accumulator Lag through each swing center with a late release of each firing successively as 4,1,2,3. You have many key components snapping in line, but some accumulators appear to be released early such as #4 and #2, but its hard to tell from the video.

#4 is your Master Accumulator and its essence is pivot lag. Since your procedure is swinging, I think you would benefit from a lot of focus on pivot lag.

Clubhead Lag is a passive feel to your system. As you work on Pivot and Accumulator Lag all you have to do is make sure you don't turn passive clubhead lag feel into an active (driving) feel which quickly turns into throw away.

My 2 cents