DeltaTime dependend positioning.

delta.py

float accumlatedTime=0;
Sprite cow; 
float runSpeed = 1; # in pixels per second
float fallingAccelleration = 0.3; # how fast the fall should reach topspeed plummeting.
float maxFallVelocity = 3.0; # Should not be able to fall faster than 3px/s 

onFrame(float deltaTime):
    accumulatedTime + = deltaTime;

    # Timestamp when a jump reached it's peak height and you're scheduled with a romantic date with gravity.
    if(cow.maxJumpHeightReached()):
        cow.fallingAt = accumulatedTime;
    
    # X axis travel is the simple form as it does not involve accelleration.
    cow.x + = deltaTime * speed; # use -speed if direction is left instead of right.
    
    # Falling along the Y axis if cow is in falling state.
    if(cow.isFalling()):
        # Calculate amount of time the cow has been falling.
        float fallTime = cow.fallingAt - accumulatedTime;
        # Calculate current falling velocity capped to maxFallVelocity
        float fallVelocity = Math.min(fallTime * fallingAccelleration, maxFallVelocity);
        cow.y+= fallVelocity;