When Reality intrudes on Super Hero Stories they die in committee
The Die hard movies would have been dull if they'd disscussed the reality of Bruce's stunts
I have offered a possible explanation for survival and can really do nothing more than that

If you'd like to calculate the force of impact then here is the formula

Energy = (1/2)mass x velocity2

The energy after is:

Energy = (1/2)total-mass x final-velocity2

Cypress weighs 63 kg