Instantly. No one survives that kind of impact for even a second after it occurs.
"Troll physics" is one of my favorite kind of pictures. I especially like when they're just factually accurate but look like troll physics anyway.
I would joke with friends that any online tutorial or recipe would produce mustard gas. One of them watched a video about swapping the grill of his car and I begged him not to follow it because he’ll unscrew the mustard gas compartment and kill himself. Or i’d say bleached pasta and broccoli (a domesticated form of wild mustard) would flood the kitchen with gas.