Using \(v=v_0+at\):
\(1.8=29+a\cdot1.45\iff 1.45a=-27.2\iff \boxed{a\approx-18.76~m/s^2}\)
Using \(v^2=v_0^2+2a\Delta S\):
\(1.8^2=29^2+2(-18.76)\Delta S\\\\ 3.24=841-37.52\Delta S\\\\ \Delta S=\dfrac{841-3.24}{37.52}\iff\boxed{\Delta S\approx22.33~m}\)