An artificial satellite is in a circular orbit around the earth. \(...

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An artificial satellite is in a circular orbit around the earth.
\( \mathrm{P} \)
The universal gravitational constant starts decreasing at time
W \( t=0 \), at a constant rate with respect to time \( t \). Then the satellite has its :
(A) Path gradually spiralling out, away from the centre of the earth
(B) Path gradually spiralling in, towards the centre of the earth
(C) Angular momentum about the centre of the earth remains constant
(D) Potential energy increases
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