I've noticed this as well on "race track" type slides where riders race down in parallel lanes on neoprene mats so friction should be more or less similar. Riders generally start out together but by the half way mark the heaviest usally take the lead. I put this down to the larger riders having...
Most articles sate that basically the further away an object is, the faster it is moving away from us therefore the universe is expanding faster which leads to dark energy to explain the increasing accelaration
But as we see distant objects as they were in the past due to the finite speed of...