A force \( F \) (power \( P= \) constant) is applied on block \( A \) of mass \( \mathrm{m} \) a...

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A force \( F \) (power \( P= \) constant) is applied on block \( A \) of mass \( \mathrm{m} \) as shown in figure, \( F \) is parallel to the inclined plane. Then
(a) The maximum speed of block \( A \) is \( \frac{P}{m g \sin \theta} \)
(b) The maximum speed of block \( A \) is \( \frac{P}{m g \cos \theta} \)
(c) The speed of block \( A \) first increases and then becomes constant
(d) Speed of block \( A \) continuously increases
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