A soil has a discharge velocity of 6 × 10-7 m/s and a void ratio of 0.5. What is its seepage velocity?

• A. 3 × 10-7 m/s
• B. 6 × 10-7 m/s
• C. 12 × 10-7 m/s
• D. 18 × 10-7 m/s