Mirror: https://files.catbox.moe/ahq3i9.mp4

Source: https://t.me/karymat/4415

6.14s flying: https://files.catbox.moe/see0tq.mp4

6.14s / 2 = 3.07s falling

46.21m = (1/2)g3.07²

*Fixed math because I forgot to halve the air time.

**Specified “tank” in the title.

***Subtracted 10% for air resistance.