Figure below shows a small mass connected to a string, which is attached to a vertical post. If ...

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Figure below shows a small mass connected to a string, which is attached to a vertical post. If the ball is released when the string is horizontal as shown, the magnitude of the total acceleration (including radial and tangential) of the Initial mass as a function of the Position angle \( \theta \) is
[KVPY 2011]
(a) \( g \sin \theta \)
(b) \( g \sqrt{3 \cos ^{2} \theta+1} \)
(c) \( g \cos \theta \)
(d) \( g \sqrt{3 \sin ^{2} \theta+1} \)
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