0.01 0.1 1 10 100 1000 k$_{c}$R$_{2}$$^{2}$/D$_{1}$ -7e-07 -6e-07 -5e-07 -4e-07 -3e-07 -2e-07 -1e-07 0 v [R 1  / MC cycle] F=3.0 k$_{B}$T/R$_{1}$ F=7.0 k$_{B}$T/R$_{1}$ Figure 10: Asymptotic velocity v versus the dimensionless ratio k$_{c}$R 2 $_{2}$/D$_{1}$ for a chucker under an external force of F = 3 . 0 k$_{B}$T/R$_{1}$ or F = 7 . 0 k$_{B}$T/R$_{1}$ ( R$_{1}$/R$_{2}$ = 10 ). 30