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Here is what I know:

a) The angle relative to the right focus with 0 radians being the positive x direction from that point

b) The angular velocity based on the angle in a

c) The instantaneous radius (distance between the center of mass of the satellite and right focus)

d) The semi-major and semi-minor axes

e) The mass of the planet

Is this enough information (assuming you can use constants) to calculate tangential velocity? If so, how?