In the following phrase taken from the fourth paragraph
"I had no intention of leaping from where I was",
the word "leaping" means:
1/ Reacting quickly
2/ Coming into prominence
3/ Jumping
4/ Diving
5/ Falling
In the following phrase taken from the fifth paragraph
"I remember feeling in freefall, and a jolting impact",
the word "jolting" means:
1/ Shocking
2/ Painful
3/ Causing a sudden jar
4/ Solid
5/ Huge
In the following phrase taken from the sixth paragraph
"I tried to strike for the surface", the word "strike" means;
1/ Arrive
2/ Set out
3/ Break
4/ Swim
5/ Float