Are you telling me the tires are inflated during descent? I doubt it, they are most probably pressurized from the beginning (and maintain their pressure while the outside is vacuum, easily done, I don't know if they use metallization of the inside or if they even need to. But if you assume that they have very little prssure in them, then the end pressure will be even lower (PV=RT is quite universal...).
You tire is only 1" to 2" wide, your car tire are typically 35 PSI, trucks around 50 PSI, so that is the pressure I assumed. Mind you, 1100K is pyrolization temperature, I would guess that at 800/900 K the tire would lose integrity due to creep (plastic deformation) and ends up completely distorted. That tire did not look distorted, a little scorched and blown up.
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