One litre of 2 M acetic acid and one litre of 3 M ethyl alcohol are mixed to form ester according to the given equation: `CH_(3)COOH+C_(2)H_(5)OH hArr CH_(3)COOC_(2)H_(5)+H_(2)O` If each solution is diluted by adding equal volume (1 litre) of water by how many times the initial forward rate has changed?