Biology is used in agriculture to produce

Agricultural biologicals (or biologics) are beneficial crop production and protection tools that are largely created from living organisms, derived from natural materials, contain them, or use naturally-occurring processes. They complement traditional crop protection tools, using nature’s own defenses to help safeguard plants against pests.

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

i'd say that the moon rock is about 2.2 billion years old.