If you divide the height of the satellite by X then the resolution is multiplied by X. This is Thales theorem [0]. What else do you need? [0] https://en.wiki

If you divide the height of the satellite by X then the resolution is multiplied by X. This is Thales theorem [0]. What else do you need? [0] https://en.wikipedia.org/wiki/Intercept_theorem https://en.wikipedia.org/wiki/Intercept_theorem