Hand speed is dependent on release type, the earlier the release the higher hand speed needed to produce the yardage equivalent to that of a short quick arc of the maxixmum delay per Mr. Kelley.
Tom Watson with his sweep release has much more handspeed than Ben Hogan with his snap release.
Rather than clubhead speed or hand speed shouldn't the focus be on ball speed, resistance to the deceleration of impact?
todd
"resistance to the deceleration of impact"...a primary concern of the hitter. As we are in the Emergency Room for Hitters, snap releases are TABOO! No maximum delay for me. Horizontal hinging would give me the heebie jeebies.
No maximum delay for me. Horizontal hinging would give me the heebie jeebies. 
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