diff --git a/images/speed-experiment-2.png b/images/speed-experiment-2.png
deleted file mode 100644
index f8d0af9dbc824b75328d0e75bde5ce0ebda233a0..0000000000000000000000000000000000000000
Binary files a/images/speed-experiment-2.png and /dev/null differ
diff --git a/images/speed-experiment.png b/images/speed-experiment.png
index 7240bc7aa4cdd74aef5599e85de1db2957ba8d01..5e8bca3293b5b23f697bf49b6517a2665a3dbcc4 100644
Binary files a/images/speed-experiment.png and b/images/speed-experiment.png differ