F-35C max trap sink-rate reduced?

One of our readers put a comment in an article done by an F-35-fan-writer that brings questions to the F-35C max trap sink-rate.

Don Bacon • an hour ago

Those off-nominal conditions could include very high excessive sink rates . . .the F-35C demonstrated its ability to land safely at its maximum allowable sink-rate of 21.4 feet per second, Van Camp said.

Actually about 20 feet per second is a commercial plane sink rate.(<--not correct) The F-35 previously had a higher design sink rate to which it was successfully tested to, 26.4 fps, but the design sink rate has now been inexplicably reduced twenty percent to 21.4 fps.

Jun 3, 2010 - Lockheed Martin F-35 Navy Jet Confirms Carrier-Landing Strength Predictions

by PR Newswire

FORT WORTH, Texas, June 23 /PRNewswire-FirstCall/ -- A Lockheed Martin F-35C Lightning II carrier variant successfully completed testing in which it was dropped from heights of more than 11 feet during a series of simulated aircraft-carrier landings. . . The drop conditions included sink rates, or rates of descent, up to the maximum design value of 26.4 feet per second....

SOURCE Lockheed Martin Aeronautics Company