Gravitation: JEE Main 2026 Physics question

If a body of mass 1 kg falls on the earth from infinity, it attains velocity $(v)$ and kinetic energy $(k)$ on reaching the surface of earth. The values of $v$ and $k$ respectively are ______. (Take radius of earth to be 6400 km and $g=9.8\ \mathrm{m/s^2}$)