"After six minutes, time flips into reverse. The sounds of Ramsgate start running backwards. Cackles of seagulls are sucked back into tiny throats, while the distant yelps of school playtime turn giddy and abrupt, doubtless punctuating games of backward hopscotch. Central to the piece is the steady tick of the steam-age turret clock at St George’s Church, which was installed almost two centuries ago. When ticking runs forward, it seems to gift a divine guarantee to the formidable flow of time; a…