title: Speed up existing Gif with Imageio Python
body: <p>I am looking to speed up the gif I made with <code>Imageio</code> in python. I do not have the images that i used to make gif but I do have the gif. </p>
  
  <p>I cannot find suitable source for this in <code>imageio</code> documentation or anywhere online. Can you suggest me something?</p>