A car is moving with speed v, given by the equation: $v=C+Dt^2$ , where $t$ represents time and C and D are constants. Determine the SI units of C and D.

• A. C (m/s), D (m/s²)
• B. C (m/s²), D (m/s³)
• C. C (m/s), D (m/s³)
• D. C (m/s²), D (m/s)