That ice causes more damage then foam alone is obvious.
That's NASA-style thinking -- assumptions without analysis or testing.
And your assertion, which many people ('sheepishly raises hand') DID jump
to, turns out to be untrue.
My asseration was about a small ball of ice inside the foam debris.
The seperation of the foam from the ET was probably associated with an
older crack (hours or days old). And in such a crack ice accumulation by
cryopumping is a possibility. Thats my line of thinking and I assume
that of Schomburg & Co. too. In such scenario more weight and therefore
more damage is obvious.
Less obvious is whether a pice of ice alone seperated from the ET would
cause more damage then foam. My first guess is yes, second may be, third,
hm..., wait for the nummbers
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