At 20 kilometers from shore the incoming boulders were located at 2800 meters of altitude. At 40 kilometers from shore, they were spotted at 4200 meters of altitude. And at 70 kilometers out, the boulders were passing at 5550 meters of altitude.

Despite their obvious limitations, Blue and Green scientists had figured out that the trajectories of boulders release by catapults were perfect parabolas.

You are a prisoner of these mad people and to save your own skin, you are required to use the information gathered by the scouts and answer the following questions (in a way that it is clear

Question

At 20 kilometers from shore the incoming boulders were located at 2800 meters of altitude.  At 40 kilometers from shore, they were spotted at 4200 meters of altitude.  And at 70 kilometers out, the boulders were passing at 5550 meters of altitude.

Despite their obvious limitations, Blue and Green scientists had figured out that the trajectories of boulders release by catapults were perfect parabolas.

You are a prisoner of these mad people and to save your own skin, you are required to use the information gathered by the scouts and answer the following questions (in a way that it is clear