Question: A particle moves clockwise around an elliptical track given by 9 x ^ 2 + 4 9 y ^ 2 = 4 4 1 .

A particle moves clockwise around an elliptical track given by 9x^2+49y^2=441. When the particle is at P(-7,0), its acceleration is (1,7) m/s
Determine the rate of change of the particles speed at P

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