Physics · JEE | MOTION IN A STRAIGHT LINE

An object in free fall starts from rest at \( y = 0 \). What is its velocity after falling through a distance of \( 19.6\text{ m} \)? (Assume \( g = 9.8\text{ m s}^{-2} \))

1. A
   \( -9.8 m s$^{-1}$ \)
2. B
   \( -14.7 m s$^{-1}$ \)
3. C
   \( -39.2 m s$^{-1}$ \)
4. D
   \( -19.6 m s$^{-1}$ \)