:crosseyed: precisely.. the poor old killer would have had to cope with the dreaded inertia which is the enemy of fast movement.. inertia causes immense drag, and this is what the killer would have had to do, drag the body to the logs, or.. maybe, runs out of puff and drags the logs to where the body maybe got caught on something, and now it's a case of inertia plus inverse force working against him. Rush and hurry though.. anyone could step out the backyard to bring the washing in off the line.....
even for two draggers, buriers, .. it's terrific effort expended, and lots of scraping and possibly swearing and huffing and gulping..... .