Jamie Walker scored his 11th goal of the season as Scottish Championship pacesetters Hearts recorded a convincing 3-0 victory over Falkirk.The league leaders started brightly and went ahead in the 28th minute when Walker swept the ball in from the middle of the box after brilliant work on the left wing by Osman Sow.Sow came close to doubling the visitors' lead in the 42nd minute but his close-range effort was kept out by Falkirk keeper Jamie MacDonald.Hearts flew out of the blocks in the second period and made it 2-0 just two minutes after the break when Genero Zeefuik turned Walker's dangerous cross into the back of the net.Robbie Neilson's side went 3-0 up in the 82nd minute when substitute James Keatings fired in from the right side of the box shortly after coming on.