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by trhway 4101 days ago
MH17 was downed by the shrapnel from the missile, not the shockwave. The BUK missile's shrapnel number, density and speed was designed to take down, in particular, armored planes like A-10 (into the face, not from behind), so the plasma expansion speed to affect the shrapnel should be on the order of several Mach, something like jet exhaust for example.