Match the Column I with Column II and select the correct option from the codes given below.
| Column I | Column II |
| A. `dv'/'dt` | p. Acceleration |
| B. `d|v|'/'dt | q. Rate of change of speed |
| C. `(d r)/(dt)` | r. Velocity |
| D. `(d|r|)/(dt)` | s. Magnitude of velocity |
Options:
(a) A-p B-q C-r D-s
(b) A-p B-r C-s D-q
(c) A-q B-p C-r D-s
(d) A-s B-r C-p D-q