Walter,
I have said before, it is the word "available" makes this analysis incomplete.
Call me old fashioned, but I always thought that ADR / CVR was required to carry out meaningful analysis / simulation.
The Cable assessment of crash speeds is based on physical evidence.
The RACAL analysis, although possibly flawed, is based on information extracted from a physical piece of kit.
The Boeing analysis excludes evidence that was "not available."
Cable is right. RACAL and Boeing may or may not be.
I may be a cynic, but don't you think Boeing will "lean towards" any evidence that absolves their aircraft of blame.