the.com/sinking
Gravity's argument with anything that hoped to float.
means The act of descending below a surface, or that hollow dread that drops through your gut when bad news lands.
from From Old English sincan, to become submerged, related to a wide Germanic family of verbs all describing the downward drift of things that gave up.
Heart senseUsed for despair since at least the 1500s.
Slow fallDense objects sink because they outweigh displaced water.
Naval fateShips sink stern-first when flooding shifts the balance.