Q6. A helicopter ascends vertically at \( 6 \, \text{m/s} \) and releases a package after \( 10 \, \text{s} \). How long after release does the package hit the ground if it was initially \( 50 \, \text{m} \) above the ground? (Take \( g = 10 \, \text{m/s}^2 \))
- A. 5.36 s
- B. 5 s
- C. 6 s
- D. 4.5 s