A light rod of length 1 m is pivoted at its centre and two masses 5 kg and 2 kg are hung from the ends as shown. In the above question if the rod has a mass 1 kg, then its initial angular acceleration

Question

$$\begin {array} {1 1} (a)\;\frac{7g}{11} & \quad (b)\;\frac{8g}{11} \\ (c)\;\frac{9g}{11} & \quad  (d)\;\frac{10 g}{11} \end {array}$$