The graph between the displacement `x` and time `t` for a particle moving in a straight line is shown in the figure. During the interval `OA, AB, BC` and `CD` the acceleration of the particle is
`OA, AB, BC, CD`

Options

A. (1) + , 0, +, +
B. `{:(,OA,,AB,,BC,,CD),((2),,-,,0,+,,+):}`
C. `{:(,OA,,AB,,BC,,CD),((3),,+,,0,+,,0):}`
D. `{:(,OA,,AB,,BC,,CD),((4),,-,,0,-,,0):}`

Answer

B