Match the Column I (quantities) with Column II (approximate values) and select the correct answer from the codes given below.
| Column I | Column II |
| A. Escape velocity of earth | p. `1.6 m'/'s^2` |
| B. Gravitational acceleration at moon’s surface | q. `6400 km` |
| C. Radius of earth | r. `11.2 km'/'s` |
Options:
(a) `A-p B-q C-r`
(b) `A-r B-q C-p`
(c) `A-q B-p C-r`
(d) `A-r B-p C-q`