JEE Main Physics question

With what velocity should a ball be projected vertically so that the distance covered by it in the 5th second is twice the distance it covers in its 6th second ( m/s) [CPMT 1997, MH-CET 2000]

• (A)58.8 m/s
• (B)49 m/s
• (C)19.6 m/s
• (D)65 m/sCorrect