english: And then a thought came across my mind: if things go pear-shaped on this swim, how long will it take for my frozen body to sink the four and a half kilometers to the bottom of the ocean?
non_english: A potom mi prebehlo hlavou: čo ak veci nepôjdu tak ako by mali, ako dlho bude trvať môjmu zmrznutému telu klesnúť štyri a pol kilometra na dno oceánu?