The coefficient of consolidation is given by ___________

• A. \(C_v=\frac{q}{m_v γ_w}\)
• B. \(C_v=\frac{1}{m_v γ_w}\)
• C. \(C_v=\frac{k}{m_v} \)
• D. \(C_v=\frac{k}{m_v γ_w}\)