Refer to the graphs in Fig 3.1. Match the following.

**Graph** | **Characteristic** |

(a) | (i) has v > 0 and a < 0 throughout. |

(b) | (ii) has x > 0 throughout and has a point with v = 0 and a point with a = 0. |

(c) | (iii) has a point with zero displacement for t > 0. |

(d) | (iv) has v < 0 and a > 0. |