Blocks $A$ and $B$ of mass $2\,kg$ and $4\,kg$ are suspended through a string using a pulley,inside an elevator moving downward with a constant acceleration of $2\,m/s^2$. Find the tension in the string connecting the two blocks.
- A$\frac{64}{3}\,N$
- B$\frac{32}{3}\,N$
- C$\frac{8}{3}\,N$
- D$\frac{16}{3}\,N$
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