The Borussia Dortmund attacker was clocked at 3.7 seconds over a 30-metre run - faster than the Jamaican sprinter at the start of his record-breaking 100m in Berlin in 2009

New Borussia Dortmund signing Pierre-Emerick Aubameyang has wasted no time impressing his new employers after he was timed sprinting at a speed faster than Usain Bolt.The 24-year-old ran 30 metres in 3.7 seconds while at Dortmund's pre-season training camp in Bad Ragaz in Switzerland - almost a second faster than the iconic Olympian in his record-breaking 100m run in Berlin in 2009.Dortmund sporting director Michael Zorc was left stunned by the former Saint-Etienne striker's achievement, telling Bild: "Pierre is surely one of the fastest players who has ever played here."Legendary coach Otto Pfister, who has known Aubameyang throughout his career, has warned the Bundesliga to be wary of the Gabon international's threat next season."Aubameyang will be fatal to the Bundesliga - but only to his opponents," he added. "I've never seen a player as explosive as he is."Aubameyang, who joined BVB in a reported €13 million (£11.2m) deal from Saint-Etienne last week, made his first appearance for Jurgen Klopp's side in a 3-1 win over Basel on Wednesday.