Ignoring biology, if you were to jump atop the Eiffel tower, how quickly would you need to eat x amount of 60g protein bars to finish them when landing at the top without gaining any weight?

Protein bars contain 100% protein.
Eiffel tower is 300.00m tall
Halloumi 240g: 2364 KJ, 24g protein, 2g carbohydrates, 22g fat.
Feta cheese 125g: 1115 KJ, 16g protein, 5g carbohydrates, 30g fat.
Baguette 300g: 2980 KJ, 3g protein, 34g carbohydrates, 1g fat.
Assume that the remaining mass contains 0 J