Issue With Refresh rate of movement

Hi! i dont know if its a issue or not, but when i make my player walk he create a little trail of pixels and focus on it its hard for the eye , i dont know if you can understandme , its like if the player moves with a velocity very very low its seems fine , the details and everything but when he starts walks at velocity of 300 in the plattaformer player speed, i cant see the details , like he stars blur it a little bit, i have the game complete at the engine Construct 2 but i want to transfer it to this new engine, in the other engine he seems fine when he move at the same speed, i dont know why here it doesnt! Please Help!

Does the same happen for you with the platformer example? How big is your player?

Not, with the platafformer example seems fine its 116 x103