Binding energy of a revolving satellite at height $h$ is $3.5 \times 10^{8} \,J$. Its potential energy is
- A$7.0 \times 10^{8} \,J$
- B$-7.0 \times 10^{8} \,J$
- C$-3.5 \times 10^{8} \,J$
- D$3.5 \times 10^{8} \,J$
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