I question "more head speed" above , respectfully. More "hand speed" maybe .
Even if it is true that a sweep releaser's max head speed is sustained to impact through the free-wheeling stage of uncocking(which I don't believe), a snap release increases the uncocking speed by the momentum imparted to the club as the hands hit the end of their straight line effort path - the "hard" release, and therefore has a higher max head speed. This is true kinetic chain snapping, and isn't available to the sweep releaser.
As for hand speed, in the TSP Swing, the hands should only move as fast as they are driven downplane by the right shoulder to release point. The hands should get ahead because of the pivot and a late release, not by hand/arm effort, which is steering.
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