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.
Are their shots too short or too long to hit us and by how much?

Question

anonymous · Answer

what are you trying to hit?

anonymous · Answer

One group of people are trying to hit the other group of people