A rocket of initial mass 6000 kg ejects ...

A rocket of initial mass 6000 kg ejects gases at a constant rate of 16 kg/s with constant relative speed of 11 km/s. What is the acceleration of the rocket one minute after the blast.

`35 m/s^2`

`45m/s^2`

`55m/s^2`

`60 m/s^2`

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