Grater than speed of light travel using a capable engine is simple as like the engine itself..

 The example is head light speed and vehile speed, mirror reflection, forces, most important greater than or at the speed of light never imagine stright line motions or movements or forces which work with thrid laws. But.. Most of these info are in crypto or block chain world and even in crypto test net. Reading an article become pay per word. Unlike old times people internet world and useful search words are crypted and hidden. Spening too much become to find few related words.