In a rocket of mass 1000 kg fuel is consumed at a rate of 40 kg/s. The velocity of the gases ejected from the rocket is \[5\times {{10}^{4}}\,m/s\]. The thrust on the rocket is [MP PMT 1994]

• A.                         \[2\times {{10}^{3}}N\]            
• B.                           \[5\times {{10}^{4}}N\]            
• C.                         \[2\times {{10}^{6}}N\]          
• D.                                       \[2\times {{10}^{9}}N\]