A man stands on a weighing machine kept inside a lift. Initially the lift is ascending with the acceleration 'a' due to which the reading is W. Now the lift decends with the same acceleration and reading is 10% of initial. Find the acceleration of lift?

• A. \[\frac{g}{19}\,m/{{\sec }^{2}}\]
• B. \[\frac{9g}{11}\,m/{{\sec }^{2}}\]
• C. \[0\,/{{\sec }^{2}}\]
• D. \[g\,m/{{\sec }^{2}}\]